Green city: a few bushes are not enough to refresh

The MFO Park in Zürich Oerlikon: a large park landscape that goes up in the
The MFO Park in Zürich Oerlikon: a large park landscape that goes up in the air. (Image: Zürich Tourism)
The MFO Park in Zürich Oerlikon: a large park landscape that goes up in the air. (Image: Zürich Tourism) - Extreme heat makes life barely bearable, especially in cities. Greenery is supposed to help regulate the temperature. Experts from the Lucerne University of Applied Sciences and Arts explain how we can go green in terms of urban climate. Planting an avenue here, greening a roof there - Peter Schwehr, Head of the Competence Center for Typology & Planning in Architecture at the Lucerne University of Applied Sciences and Arts, thinks little of it. The expert for urban and neighborhood development is a great advocate of green cities, as trees not only provide shade but also contribute to cooling by evaporating water. Schwehr stresses, however, that "we have to keep an eye on the big picture." His goal is the sponge city: a city that is designed in such a way that, in the event of heavy rainfall, the water does not simply disappear into the sewage system, but is able to soak it up and retain it - just like a sponge.
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